In the present article the interrelation of increase in growth of extraction of coal and occupational injuries is analyzed. The analysis of literary data on an origin of emergency situations and death of personnel of coal mines is made. On the basis of the analysis it is established that in 25 % of cases of the accidents connected with mass death of miners sudden emissions of methane and explosions, both the metanovozdushnykh, and the pylevozdushnykh of mass of excavations caused. According to literary data it is established that increase in load of a clearing face, leads to more intensive dust formation, increase in concentration of aerosol particles in excavations. This fact confirmed interrelation of growth of volumes of productions with increase in quantity of diseases of a bronchopulmonary system of miners. Data retrieveds allowed authors to make the assumption that coal dust on the complex factors is the most dangerous in the mine atmosphere. Therefore on the basis of analytical data the received authors of article was need comprehensive studying of systems of dust-explosion protection of coal mines is stated. The data obtained by authors of article according to merits and demerits of the existing systems of dust-explosion protection of coal mines confirmed expediency of work on the direction of a research of explosive properties of coal dust and influence on parameters of explosion of the protection of inert dust applied now in systems. Data on dispersion of coal dust at which the maximum pressure of explosion and rise speed of pressure of explosion are observed are provided in work. Data definition of parmetr was carried out to 20 l to the spherical explosive chamber. The received results showed need of search of new ways as when adding only very big concentration of inert dust was succeeded to achieve pressure decrease of explosion to secure values. Therefore, on the basis of impact assessment of concentration of inert dust in a sample of coal dust by authors of article it is suggested, as about need of improvement of protective properties of inert dust, and about a possibility of increase in these properties due to introduction to its composition of powerful inhibitors of processes of emergence and distribution of the striking explosion factors on the system of excavations.
inert dust, rock dusting, dust-explosion protection, explosion, maximum pressure of explosion, coal dust, pressure rise speed at explosion, aerosol, deflagratsionny burning, a detonation
1. Promyshlennaya bezopasnost' predpriyatiy mineral'no-syr'evogo kompleksa v XXI veke // Bezopasnost' truda v promyshlennosti. 2017. № 1. S. 82-87
2. Zhiharev S.Ya., Pihkonen L.V., Rodionov V.A. Issledovanie vzryvopozharoopasnyh svoystv kamennogo uglya Prokop'evskogo mestorozhdeniya Kuzneckogo ugol'nogo basseyna // Izvestiya Tul'skogo gosudarstvennogo universiteta. Estestvennye nauki. Ser.: Nauki o Zemle. 2017. № 3. S. 65-74.
3. Cherechukin V.G., Lyubomischenko E.I. Teoreticheskie issledovaniya vliyaniya vyhoda letuchih veschestv na opredelenie koncentracionnyh predelov vzryvoopasnosti ugol'noy pyli // Gornyy informacionno-analiticheskiy byulleten'. 2016. № 5. S. 380-385.
4. Zubov V.P. Sostoyanie i napravleniya sovershenstvovaniya sistem razrabotki ugol'nyh plastov na perspektivnyh ugol'nyh shahtah Kuzbassa // Zapiski Gornogo instituta. 2017. T. 225. S. 292-298.
5. Magomet R.D., Mironenkova N.A. Methane Problem of coal beds // Research Journal of Pharmaceutical, Biological and Chemical Sciences. 2016. T. 7. № 3. S. 2 276-2 284.
6. Pihkonen L.V., Rodionov V.A., Zhiharev S.Ya. Opredelenie vzryvopozharoopasnyh svoystv kamennogo uglya Leninsk-Kuzneckogo Kamennougol'nogo mestorozhdeniya // Izvestiya Tul'skogo gosudarstvennogo universiteta. Estestvennye nauki. Ser.: Nauki o Zemle. 2017. № 3. S. 74-84.
7. Lebecki K.A., Romanchenko S.B. Pylevaya vzryvoopasnost' gornogo proizvodstva. M.: Gornoe delo OOO «Kimmeriyskiy centr», 2012. 464 s.
8. Rodionov V.A., Pihkonen L.V., Zhiharev S.Ya. Dispersnost' kamennougol'noy pyli marki Zh Vorgashorskogo mestorozhdeniya i ee vliyanie na process termicheskoy destrukcii // Vestnik Permskogo nacional'nogo issledovatel'skogo politehnicheskogo universiteta. Geologiya. Neftegazovoe i gornoe delo. 2017. T. 16. № 4. S. 350-356. DOI:https://doi.org/10.15593/2224-9923/2017.4.6
9. Liliana Medich Peych, Hav'er Garsiya Torrent, Nievez Fernandez An'ez, Horze Martin Molina Eskobar. Predotvraschenie rasprostraneniya vzryvov metana i pyli v ugol'nyh shahtah // Zapiski Gornogo instituta. 2017. T. 225. S. 307-313.
10. Hou B. Hydraulic fracture initiation theory for a horizontal well in a coal seam / Hou B., Chen M., Wang Z., Yuan J., Liu M. // Petroleum Science. 2013. Vol. 10. Issue 2. Pr. 219-225.
11. Zhao J. High production indexes and the key factors in coalbed methane production: A case in the Hancheng block, southeastern Ordos Basin, China / Zhao J., Thang D., Xu H., Lu Y., Tao S. // Journal of Petroleum Science and Engineering. 2015. Vol. 130. Pr. 55-67.
12. BS EN 14034-1:2004+A1:2011 Determination of explosion characteristics of dust clouds. Part 1: Determination of the maximum explosion pressure Pmax of dust clouds British Standard Date Views: 10 Septemberber 2018. URL: https://clck.ru/FAR8u (data obrascheniya: 11.02.2019).
13. Metodika issledovaniya vliyaniya ingibiruyuschih i flegmatiziruyuschih dobavok na vosplamenyaemost' i vzryvchatost' ugol'noy pyli / V.A. Rodionov [i dr.] // Gornyy informacionno-analiticheskiy byulleten' (nauch.-tehn. zhurn.). 2018. № 5. S. 26-34. DOI:https://doi.org/10.25018/0236-1493-2018-5-0-26-34.
14. Li Qingzhao, Zhai Cheng, Wu Haijin Investigation on coal dust explosion characteristics using 20 L explosion sphere vessels // Journal of China Coal Society. 2011. 36 p.
15. Karaoulis M., Revil A., Mao D. Localization of a coal seam fire using combined self-potential and resistivity data // International Journal of Coal Geology. Vol. 128-129. 1 August 2014. Pr. 109-118.
16. Explosion Characteristics Measurement of Combustible Dusts, 2012. Industrial Explosion Protection Institute, Northeastern University. Date Views: 10 December 2018. URL: http://iepi.neu.edu.cn/Service/PDF/Explosion%20Characteristics%20Measurement.pdf. (data obrascheniya: 11.01.2019).
17. Chen Y. Dynamic permeability change during coalbed methane production and its controlling factors / Chen Y, Liu D, Yao Y., Cai Y, Chen L. // Journal of Natural Gas Science and Engineering. 2015. Vol. 25. Pr. 335-346.
18. Research on characteristic parameters of coal dust explosion / Weiguoa Cao, Sen Xu, Liyuana Huang, Jianxinb Zang, Shanshana Qiu, Feng Pan // Procedia Engineering. 2012. Vol. 45. P. 442-447. DOI:https://doi.org/10.1016/j.proeng.2012.08.183.
19. Lu T. Improvement of coal seam gas drainage by under-panel cross-strata stimulation using highly pressurized gas / Lu T., Wang Z., Yang H., Han Y., Sun X. // International Journal of Rock Mechanics and Mining Sciences. 2015. Vol. 77. Pr. 300-312.
